ArticlePlant biotechnology journal2020
Rhamnogalacturonan-I is a determinant of cell-cell adhesion in poplar wood.
Article in Plant biotechnology journal, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 38 citations in OpenAlex.
- Close contact: role of the extracellular matrix in cell adhesion and separation during plant development and reproduction.Plant reproduction · 2026Review
- Plasmodesmata wall biomechanics: challenges and opportunities.Journal of experimental botany · 2026Review
- Esterified-pectin-coupled polar stiffening controls grass stomatal opening.Nature plants · 2026Article
- Exploring Bioactive Polysaccharides in Edible Fruits: A Cross-Biome Perspective.Plants (Basel, Switzerland) · 2025Review
- Rhamnogalacturonan I is a recalcitrant pectin domain during Clostridium thermocellum-mediated deconstruction of switchgrass biomass.Biotechnology for biofuels and bioproducts · 2025Article
- Solid-state NMR at natural isotopic abundance for bioenergy applications.Biotechnology for biofuels and bioproducts · 2025Review
- Structure and growth of plant cell walls.Nature reviews. Molecular cell biology · 2024Review
- The plant cell wall-dynamic, strong, and adaptable-is a natural shapeshifter.The Plant cell · 2024Review
- Building an extensible cell wall.Plant physiology · 2022Article
- Composition and yield of non-cellulosic and cellulosic sugars in soluble and particulate fractions during consolidated bioprocessing of poplar biomass by Clostridium thermocellum.Biotechnology for biofuels and bioproducts · 2022Article
- Enzymatic fingerprinting reveals specific xyloglucan and pectin signatures in the cell wall purified with primary plasmodesmata.Frontiers in plant science · 2022Article
- Characterising the mechanics of cell-cell adhesion in plants.Quantitative plant biology · 2022Review
- Tailoring renewable materials via plant biotechnology.Biotechnology for biofuels · 2021Review
- Pectin and Xylan Biosynthesis in Poplar: Implications and Opportunities for Biofuels Production.Frontiers in plant science · 2021Review
- Redesigning plant cell walls for the biomass-based bioeconomy.The Journal of biological chemistry · 2020Review
- "Shape of Cell"-An Auxin and Cell Wall Duet.Physiologia plantarumReview
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The molecular basis of cell-cell adhesion in woody tissues is not known. Xylem cells in wood particles of hybrid poplar (Populus tremula × P. alba cv. INRA 717-1B4) were separated by oxidation of lignin with acidic sodium chlorite when combined with extraction of xylan and rhamnogalacturonan-I (RG-I) using either dilute alkali or a combination of xylanase and RG-lyase. Acidic chlorite followed by dilute alkali treatment enables cell-cell separation by removing material from the compound middle lamellae between the primary walls. Although lignin is known to contribute to adhesion between wood cells, we found that removing lignin is a necessary but not sufficient condition to effect complete cell-cell separation in poplar lines with various ratios of syringyl:guaiacyl lignin. Transgenic poplar lines expressing an Arabidopsis thaliana gene encoding an RG-lyase (AtRGIL6) showed enhanced cell-cell separation, increased accessibility of cellulose and xylan to hydrolytic enzyme activities, and increased fragmentation of intact wood particles into small cell clusters and single cells under mechanical stress. Our results indicate a novel function for RG-I, and also for xylan, as determinants of cell-cell adhesion in poplar wood cell walls. Genetic control of RG-I content provides a new strategy to increase catalyst accessibility and saccharification yields from woody biomass for biofuels and industrial chemicals.
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